1. When notochord organization is ceaseless and migratory, fiber annulus also increases.

2. We also give the computer simulation method of notochord development in the African frog Xenopus Laevis.

3. It develops anterior to notochord and is separated from itself by the prochordal plate.

4. Right now notochord cell disappears, pith nucleus becomes a fiber cartilage with soft and less cell gradually.

5. Right now, notochord organization is circled by the compact ministry package that did not have soft ossification cell, and from this and form true fiber link.

6. The determination and differentiation of notochord in Bufo bufo gargarizans embryos in different developmental stage have been systematically studied.

7. The notochord is straight and caudal fin structures are beginning to form on the ventral side of the notochord .

8. As the notochord inside centrum close, notochord cell from centrum migratory to vertebra clearance.

9. In the development process of pith nucleus, after notochord cell disappears,(sentence dictionary) the growth of pith nucleus basically relies on the hyperplasia of fiber composition.

10. In certain breeds of dogs, notochord cells remain vibrant in the intervertebral disc into adulthood.

11. Itself of notochord week scabbard still is in the center of centrum of cartilage source sex area, call mucous account.

12. The soft anatomy of conodont shows some soft tissues including eyes, notochord, nerve cord, myomeres and caudal fin.

13. Skeleton: they possess an endoskeleton of cartilage, or bone. The characteristic notochord is replaced by intersegmental vertebrae in vertebrates.

14. Any of various small, flattened marine organisms of the subphylum Cephalochordata, structurally similar to the vertebrates but having a notochord rather than a true vertebral column.

15. A segmental mass of mesoderm in the vertebrate embryo, occurring in pairs along the notochord and developing into muscles and vertebrae.